.header-small{
    height: 23px;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid gray;
}
.header-small {
    font-size: 12px;
}
.header-small a:hover{
    text-decoration: underline;
}
/* 二号header */
.header-big{
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #C10D0C;
}